package cn.tedu.v2_3;
//127.0.0.1
import java.io.*;
import java.net.ConnectException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

/**
 * 练习：1.Client添加  IP  功能
 *      2.Server关闭通讯，代码简洁，写Client关闭通讯,代码简洁
 */
public class Client {

    private Socket socket;
    public Client() {
        try {
            socket=new Socket("127.0.0.1",5559);
        }catch (NullPointerException e){
            System.out.println("友情提示：IP传入错误导致链接失败");
        } catch (UnknownHostException e){
            System.out.println("友情提示：IP传入错误");
        } catch (ConnectException e){
            System.out.println("客户端链接服务器端失败，提示：检查IP/端口");
        } catch (IOException e) {
            System.out.println("客户端链接服务器端失败，提示：检查IP/端口");
        }
    }

    public void start()  {
        PrintWriter pw=null;
        try {
            pw=new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(),"UTF8")),true);
            System.out.println("对服务器端说话：");
            Scanner input=new Scanner(System.in);//卡住，等待用户输入
            String line=null;
            while (true){
            String ip=socket.getInetAddress().getHostAddress();
            line=input.nextLine();
            pw.println(line);
            System.out.println(ip+"恭喜你抽中五百万！" );
            }
        }catch (UnsupportedEncodingException e){
            System.out.println("客户端/服务器端编码集有问题！");
        }
        catch (IOException e) {
            System.out.println("客户端链接服务器端：IO流操作出现错误");
        } finally {
            if (pw!=null)
                pw.close();
        }
        if (socket != null&&!socket.isClosed())
            try {
                socket.close();
            } catch (IOException e) {
                System.out.println("客户端关闭失败");
            }
    }
    public static void main(String[] args) {
        new Client().start();
    }
}
